bool FScalableFloat::SerializeFromMismatchedTag(const FPropertyTag& Tag, FArchive& Ar)
{
if (Tag.Type == NAME_FloatProperty)
{
float OldValue;
Ar << OldValue;
*this = FScalableFloat(OldValue);
return true;
}
return false;
}
void Test_PeriodicDamage()
{
const int32 NumPeriods = 10;
const float PeriodSecs = 1.0f;
const float DamagePerPeriod = 5.f;
const float StartingHealth = DestComponent->GetSet<UAbilitySystemTestAttributeSet>()->Health;
// just try and reduce the health attribute
{
CONSTRUCT_CLASS(UGameplayEffect, BaseDmgEffect);
AddModifier(BaseDmgEffect, GET_FIELD_CHECKED(UAbilitySystemTestAttributeSet, Health), EGameplayModOp::Additive, FScalableFloat(-DamagePerPeriod));
BaseDmgEffect->DurationPolicy = EGameplayEffectDurationType::HasDuration;
BaseDmgEffect->DurationMagnitude = FGameplayEffectModifierMagnitude(FScalableFloat(NumPeriods * PeriodSecs));
BaseDmgEffect->Period.Value = PeriodSecs;
SourceComponent->ApplyGameplayEffectToTarget(BaseDmgEffect, DestComponent, 1.f);
}
int32 NumApplications = 0;
// Tick a small number to verify the application tick
TickWorld(SMALL_NUMBER);
++NumApplications;
TestEqual(SKILL_TEST_TEXT("Health Reduced"), DestComponent->GetSet<UAbilitySystemTestAttributeSet>()->Health, StartingHealth - (DamagePerPeriod * NumApplications));
// Tick a bit more to address possible floating point issues
TickWorld(PeriodSecs * .1f);
for (int32 i = 0; i < NumPeriods; ++i)
{
// advance time by one period
TickWorld(PeriodSecs);
++NumApplications;
// check that health has been reduced
TestEqual(SKILL_TEST_TEXT("Health Reduced"), DestComponent->GetSet<UAbilitySystemTestAttributeSet>()->Health, StartingHealth - (DamagePerPeriod * NumApplications));
}
// advance time by one extra period
TickWorld(PeriodSecs);
// should not have reduced further
TestEqual(SKILL_TEST_TEXT("Health Reduced"), DestComponent->GetSet<UAbilitySystemTestAttributeSet>()->Health, StartingHealth - (DamagePerPeriod * NumApplications));
// TODO: test that the effect is no longer applied
}
void Test_ManaBuff()
{
const float BuffValue = 30.f;
const float StartingMana = DestComponent->GetSet<UAbilitySystemTestAttributeSet>()->Mana;
FActiveGameplayEffectHandle BuffHandle;
// apply the buff
{
CONSTRUCT_CLASS(UGameplayEffect, DamageBuffEffect);
AddModifier(DamageBuffEffect, GET_FIELD_CHECKED(UAbilitySystemTestAttributeSet, Mana), EGameplayModOp::Additive, FScalableFloat(BuffValue));
DamageBuffEffect->DurationPolicy = EGameplayEffectDurationType::Infinite;
BuffHandle = SourceComponent->ApplyGameplayEffectToTarget(DamageBuffEffect, DestComponent, 1.f);
}
// check that the value changed
TestEqual(SKILL_TEST_TEXT("Mana Buffed"), DestComponent->GetSet<UAbilitySystemTestAttributeSet>()->Mana, StartingMana + BuffValue);
// remove the effect
{
DestComponent->RemoveActiveGameplayEffect(BuffHandle);
}
// check that the value changed back
TestEqual(SKILL_TEST_TEXT("Mana Restored"), DestComponent->GetSet<UAbilitySystemTestAttributeSet>()->Mana, StartingMana);
}
void Test_InstantDamageRemap()
{
const float DamageValue = 5.f;
const float StartingHealth = DestComponent->GetSet<UAbilitySystemTestAttributeSet>()->Health;
// This is the same as GameplayEffectsTest_InstantDamage but modifies the Damage attribute and confirms it is remapped to -Health by UAbilitySystemTestAttributeSet::PostAttributeModify
{
CONSTRUCT_CLASS(UGameplayEffect, BaseDmgEffect);
AddModifier(BaseDmgEffect, GET_FIELD_CHECKED(UAbilitySystemTestAttributeSet, Damage), EGameplayModOp::Additive, FScalableFloat(DamageValue));
BaseDmgEffect->DurationPolicy = EGameplayEffectDurationType::Instant;
SourceComponent->ApplyGameplayEffectToTarget(BaseDmgEffect, DestComponent, 1.f);
}
// Now we should have lost some health
TestEqual(SKILL_TEST_TEXT("Health Reduced"), DestComponent->GetSet<UAbilitySystemTestAttributeSet>()->Health, StartingHealth - DamageValue);
// Confirm the damage attribute itself was reset to 0 when it was applied to health
TestEqual(SKILL_TEST_TEXT("Damage Applied"), DestComponent->GetSet<UAbilitySystemTestAttributeSet>()->Damage, 0.f);
}
void Test_InstantDamage()
{
const float DamageValue = 5.f;
const float StartingHealth = DestComponent->GetSet<UAbilitySystemTestAttributeSet>()->Health;
// just try and reduce the health attribute
{
CONSTRUCT_CLASS(UGameplayEffect, BaseDmgEffect);
AddModifier(BaseDmgEffect, GET_FIELD_CHECKED(UAbilitySystemTestAttributeSet, Health), EGameplayModOp::Additive, FScalableFloat(-DamageValue));
BaseDmgEffect->DurationPolicy = EGameplayEffectDurationType::Instant;
SourceComponent->ApplyGameplayEffectToTarget(BaseDmgEffect, DestComponent, 1.f);
}
// make sure health was reduced
TestEqual(SKILL_TEST_TEXT("Health Reduced"), DestComponent->GetSet<UAbilitySystemTestAttributeSet>()->Health, StartingHealth - DamageValue);
}